| C19H16O4 | F(000) = 1296 |
| Mr = 308.32 | Dx = 1.397 Mg m−3 |
| Monoclinic, P21/c | Mo Kα radiation, λ = 0.71075 Å |
| a = 14.7129 (11) Å | Cell parameters from 18061 reflections |
| b = 18.9613 (13) Å | θ = 3.0–27.5° |
| c = 11.3031 (6) Å | µ = 0.10 mm−1 |
| β = 111.632 (7)° | T = 100 K |
| V = 2931.2 (4) Å3 | Prism, colourless |
| Z = 8 | 0.20 × 0.09 × 0.05 mm |
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